Global Patent Index - EP 2551948 A1

EP 2551948 A1 20130130 - Lead storage battery

Title (en)

Lead storage battery

Title (de)

Bleiakkumulator

Title (fr)

Accumulateur au plomb

Publication

EP 2551948 A1 20130130 (EN)

Application

EP 11006062 A 20110725

Priority

JP 2010158082 A 20100712

Abstract (en)

A lead storage battery which prevents deterioration due to sulfation, wherein a nonionic dispersing agent is contained in an electrolytic solution, and a lead sulfate film removing device for applying a weak pulse current with a number of pulses of 4000 to 7000 times per second and a voltage amplitude of ±2 to ±5 V is incorporated.

IPC 8 full level

H01M 10/06 (2006.01); H01M 10/08 (2006.01); H01M 10/12 (2006.01); H01M 10/42 (2006.01); H01M 10/44 (2006.01)

CPC (source: EP US)

H01M 10/06 (2013.01 - EP US); H01M 10/08 (2013.01 - EP US); H01M 10/42 (2013.01 - EP US); H01M 10/4242 (2013.01 - EP US); H01M 10/44 (2013.01 - EP US); H01M 2010/4271 (2013.01 - EP US); H01M 2300/0011 (2013.01 - EP US); Y02E 60/10 (2013.01 - EP US); Y02P 70/50 (2015.11 - EP)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2551948 A1 20130130; JP 2012022809 A 20120202; US 2013029184 A1 20130131

DOCDB simple family (application)

EP 11006062 A 20110725; JP 2010158082 A 20100712; US 201113193181 A 20110728